Long period fiber grating and its new applications in communication and sensing

HE Wan-xun; SHI Wen-kang; YE Ai-lun

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Long period fiber grating and its new applications in communication and sensing

更新时间：2020-08-12

- Long period fiber grating and its new applications in communication and sensing
- Optics and Precision Engineering Vol. 9, Issue 2, Pages: 104-108(2001)
- 作者机构：
  
  1. 上海交通大学信息检测技术与仪器系上海,200030
  2. 上海交通大学光纤技术研究所上海,200030
- 作者简介：
- 基金信息：
- DOI：
  CLC： O436.1;TN929.11
- Received：23 November 2000，
  
  Revised：11 December 2000，
  
  Published Online：15 April 2001，
  
  Published：15 April 2001
- 稿件说明：
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何万迅, 施文康, 叶爱伦. 长周期光纤光栅及其在通信传感领域的新应用[J]. 光学精密工程, 2001,(2): 104-108

HE Wan-xun, SHI Wen-kang, YE Ai-lun . Long period fiber grating and its new applications in communication and sensing[J]. Editorial Office of Optics and Precision Engineering, 2001,(2): 104-108
何万迅, 施文康, 叶爱伦. 长周期光纤光栅及其在通信传感领域的新应用[J]. 光学精密工程, 2001,(2): 104-108 DOI：

HE Wan-xun, SHI Wen-kang, YE Ai-lun . Long period fiber grating and its new applications in communication and sensing[J]. Editorial Office of Optics and Precision Engineering, 2001,(2): 104-108 DOI：

摘要

长周期光纤光栅是一种新型光纤器件。介绍了长周期光纤光栅的耦合机理、制备方法以及应用。其耦合机理是前向传输的纤芯基模与前向传输的各阶包层模式之间的耦合。制备原理是对光纤横向曝光

使光纤的折射率指数在轴向发生周期性变化。阐明了长周期光纤光栅用于带通滤波、光上下路复用、光纤光源、光纤耦合、偏振器件、新型传感等新技术领域的思路

给出了具体实现方法。并通过与其他方案对比

说明了基于长周期光纤光栅器件的优点

肯定了长周期光纤光栅在通信传感领域的价值。

Abstract

Long period fiber grating(LPFG) is a new kind of optical fiber element. The paper presents its mode coupling mechanism

the fabrication methods as well as its applications. The coupling is between forward propagating core fundamental modes and forward-propagating cladding modes. By transverse exposure

periodical modulation of refractive index is formed along the axis of optical fiber. Ideas about applications of LPFG to band pass filters

optical add/drop multiplexing

optical fiber sources

coupling of fibers

optical fiber polarizers and novel sensing are illustrated. In comparison with other schemes

advantages of the LPFG based devices and an important role of the LPFG in communication and sensing technology are demonstrated in detail.

关键词

Keywords

references

Vengsarkar A M, Lemaire P J,Judkins J B, et al. Long-period fiber gratings as band-rejection filters[J]. Journal of Lightwave Technology, 1996,14(1):58-65.

Vengsarkar A M, Pedrazzani J R,Judkins J B, et al. Long-period fiber-grating-based gain equalizers[J]. Opt. Lett, 1996,21(5):336-338.

Bhatia V, Vengsarkar A M. Optical fiber long-period grating sensors[J].Opt. Lett, 1996,21(9):692-694.

Kersey A D, Davis M A, Patrick H J, et al. Fiber grating sensors[J]. Journal of Lightwave Technology, 1997,15(8),1442-1463.

Gu X J. Wavelength-division multiplexing isolation fiber filter and light source using cascaded long-period fiber gratings[J]. Opt. Lett, 1998,23(7):509-510.

Ortega B, Dong L, Liu W F, et al. High-performance optical fiber polarizers based on long-period gratings in birefringent optical fibers[J]. IEEE Photonics Technol. Lett, 1997,9(10):1370-1372.

Kurkov A S, Douayb M,Duhem O, et al., Long-period fiber grating as a wavelength selective polarisation element[J]. Electron. Lett, 1997,33(1):616-617.

Duhem O, Douay M. Effect of UV-induced birefringence on long-period-grating coupling characteristics[J]. Electron. Lett, 2000,36(5):416-417.

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